Meyer, Harold E., author
Prentice-Hall, 1992
Buku Referensi
Montagu, Mary Wortley, author
Knopf, 1992
Buku Teks
Williams, Maslyn, author
Cheshire, 1970
Buku Teks
Demas, J.N., author
Academic Press , 1983
Buku Teks
Macleod, Janice, author
Gramedia Pustaka Utama, 2017
Buku Teks